Results 91 to 100 of about 8,379,511 (292)

High Throughput Aerosol Jet Printing to Operationalize High Aspect Ratio Patterning

Advanced Materials Technologies, EarlyView.
High‐throughput aerosol jet printing poses distinct limiting mechanisms to the printing process. These include rapidly changing ink chemistries, atomization instabilities, and liquid‐phase spreading. The combination of in‐line heating, process monitoring, and traditional optimization procedures enables rapid printing of high‐aspect‐ratio structures ...
Bella I. Guyll, Md Mahdi Ul Ishtiaque, Md Ramjan Ali, Todd A. Kingston, Ethan B. Secor   +4 more
wiley   +1 more source

Enhancing the heat transfer in CuO-MWCNT oil hybrid nanofluid flow in a pipe

Results in Physics
In this study, three-dimensional steady-state laminar flow simulations were conducted in a horizontal pipe using CuO and multi-walled carbon nanotubes (MWCNT) nanoparticles with engine oil as the base fluid.
Mohsen Khalili Najafabadi, Krisztián Hriczó, Gabriella Bognár   +2 more
doaj   +1 more source

Hierarchically Wrinkled Silver Ink as a Platform for Fully Integrated Stretchable Electronic Systems

Advanced Materials Technologies, EarlyView.
Silver Hierarchical Responsive ink (SHRink), a universal approach for the fabrication of highly stretchable interconnects, wirings, and skin‐interfaced electrodes, is realized through low‐cost, scalable spray‐printing and transfer‐printing. The SHRink demonstrates high electrical conductivity (1.2E04 S cm−1) and large stretchability (235% max fracture ...
Junye Li, Hao Wang, Xinlei Chen, Mehmet Senel, Patrick Rwei, Sara Marmarchi, David Clymer, Blossom Sundarii Hak‐Khem, Nhi Nguyen, Chengyang Qian, Matt Thomson, Michelle Khine   +11 more
wiley   +1 more source

Error estimates for the convergence of a finite volume discretization of convection–diffusion equations [PDF]

Journal of Numerical Mathematics, 2003
Let \(\Omega\) be a polygonal open subset of \(\mathbb{R}^N (N=2,3)\). The author studies error estimates for a finite volume discretization of the problem \[ -\Delta \overline{u} + \operatorname {div}(\mathbf{v}\overline{u}) + b\overline{u} = f + \operatorname {div}(G) \quad \text{in } \Omega, \quad \overline{u} = 0, \quad \text{on } \partial\Omega, \]
openaire   +1 more source

Spatially Configurable Conformal Sensor Integration on an Ultra‐Fine Metallic Needle for Minimally Invasive Deep‐Tissue Oxygen Monitoring

Advanced Materials Technologies, EarlyView.
A multi‐point oxygen‐sensing ultra‐fine needle (MO‐UFN) is developed by conformally integrating a lithographically patterned flexible electrochemical sensor array onto a clinical acupuncture needle. The platform preserves an approximately 0.3 mm diameter while enabling spatially resolved oxygen profiling along the insertion pathway.
Yeju Seo, Jaeho Park, Yongrok Jeong, Ji‐Hwan Ha, Junseong Ahn, Jimin Gu, Su A Park, Ilwoo Jun, Kichul Lee, Inkyu Park   +9 more
wiley   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

Advanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo, Sina Jamali, Nam‐Trung Nguyen   +2 more
wiley   +1 more source

Laminar Forced Convection and Entropy Generation of ZnO-Ethylene Glycol Nanofluid Flow through Square Microchannel with using Two-Phase Eulerian-Eulerian Model

Journal of Applied Fluid Mechanics, 2019
In this paper, convective heat transfer and entropy generation of ZnO-EG nanofluid flow through a square microchannel are numerically investigated. Flow is modelled by using Eulerian-Eulerian two phase flow model.
C. Uysal, K. Arslan, H. Kurt
doaj  

Effect of the magnetic field on the heat transfer enhancement of nanofluids in rectangular enclosures [PDF]

EPJ Web of Conferences
The application of a magnetic field tends to reduce the convective flows in enclosures, thereby decreasing convective heat transfer. However, adding nanoparticles to the fluid improves both thermal conductivity and viscosity, thus improving the ...
El hadoui Bilal, Ighris Youness, Rahmoun Mohamed, Kaddiri Mourad, Baliti Jamal   +4 more
doaj   +1 more source

Programming Actuation in 3D‐Printed Micro‐Architectures via Interfacial Adhesion Control

Advanced Materials Technologies, EarlyView.
A two‐phase meniscus‐guided 3D printing method directly fabricates microscale poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) and poly(vinyl alcohol) (PVA) bilayers with in situ programmable interfaces. Modulating the meniscus stretching speed switches the interface between separated and bonded states, which controls the mechanical ...
Xiao Huan, Juhyung Kim, Yujin Park, Shiqi Hu, Jihyuk Yang, Nan Huang, Feipeng Chen, Yu Liu, Sixi Cao, Zhuoran Wang, Ho Cheung Shum, Barbara Pui Chan, Dongwoon Shin, Ji Tae Kim   +13 more
wiley   +1 more source

FORMATION OF ELEMENTARY CONVECTIVE CELL IN HORIZONTAL LAYER OF VISCOUS INCOMPRESSIBLE FLUID

East European Journal of Physics, 2015
It is experimentally shown that with the increase of temperature of the vessel bottom with horizontal oil layer, separately placed convective cells appear in the quantity from one-two at the beginning of the process and till full fill-up of the oil ...
L. S. Bozbey, B. V. Borts, A. O. Kostikov, V. I. Tkachenko   +3 more
doaj